Home / 23,250.74-32,086.23-12,640.40

Finding the Fourth Proportional to 23,250.74, 32,086.23 and 12,640.40

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Solution

The fourth proportional to 23,250.74, 32,086.23 and 12,640.40 is: 17,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,250.74 : 32,086.23 = 12,640.40 : x
  2. Step 2: Convert to fraction form
    23,250.74/32,086.23 = 12,640.40/x
  3. Step 3: Cross multiply
    23,250.74x = 32,086.23 × 12,640.40
  4. Step 4: Simplify right side
    23,250.74x = 405,582,621.26
  5. Step 5: Solve for x
    x = 405,582,621.26/23,250.74
  6. Step 6: Final answer
    x = 17,443.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.